def config_erase_property(container_name, key, unprivileged):
"""
Erases the property from a config
:param container_name: name of the container in question
:param key: property to be erased
:param unprivileged: if the container is unprivileged
:return: None
"""
config_file_path = Config.container_config_path(container_name, unprivileged)
with LxcConfig(config_file_path) as config_file:
config_file.erase_property(key)
def config_add_property(container_name, key, value, unprivileged):
"""
Adds a property to a config file with *value*
:param container_name: name of the container in question
:param key: property to be added
:param value: value to be added property
:param unprivileged: if the container is unprivileged
:return: None
"""
config_file_path = Config.container_config_path(container_name, unprivileged)
with LxcConfig(config_file_path) as config_file:
config_file.append_value(key, value)
def print_config_file(container_name, unprivileged):
"""
Prints the config file of the container with *container_name*
:param container_name: the name of the container, which config is printed
:param unprivileged: whether to print the config of the unprivileged container
:return:
"""
config_file_path = Config.container_config_path(container_name, unprivileged)
try:
with LxcConfig(config_file_path) as config_file:
config_file.print()
except FileNotFoundError:
log_print_error(no_config_found_message(container_name, config_file_path))
def unpatch_container_config(container_name):
"""
Reverses the effect of patch_container_config call by removing the last line with static ip
:param container_name: container in question
:return: None
"""
config_file_path = Config.container_config_path(container_name, False)
try:
with LxcConfig(config_file_path) as config_file:
if not config_file[ConsoleHelper.LXC_IP_KEY]:
log_print_error('Config file has not been patched')
return
config_file.remove_last_value(ConsoleHelper.LXC_IP_KEY)
logging.info('Config file for container {0} patched'.format(container_name))
except FileNotFoundError:
log_print_error('No config for container {0} at {1}'.format(container_name, config_file_path))
def patch_container_config(container_name, static_ip):
"""
Adds a line to *container_name* container config with its new *static_ip*
:param container_name: name of the container config in question
:param static_ip: the desired static ip
:return: None
"""
config_file_path = Config.container_config_path(container_name, False)
try:
with LxcConfig(config_file_path) as config_file:
if config_file[ConsoleHelper.LXC_IP_KEY]:
log_print_error('Config file has already been patched')
return
config_file.set_value(ConsoleHelper.LXC_IP_KEY, static_ip)
logging.info('Patched container {0} config'.format(container_name))
except FileNotFoundError:
log_print_error(no_config_found_message(container_name, config_file_path))